package ussher

import "golang.org/x/crypto/ssh"

func RunSSHServer(config *Config) error {
	sshConfig := &ssh.ServerConfig{
		PublicKeyCallback: func(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
			return config.Keystore.CheckPublicKey(conn.User(), key)
		},
	}

	private, err := config.GetPrivateKey()
	if err != nil {
		return err
	}
	sshConfig.AddHostKey(private)
}